Dr. Brian Fung, MD

In their first decade of practice, Dr. Brian Fung represents the newer generation of internal medicine providers, MD, after earning their medical degree at University Of California, Geffen School Of Medicine in 2017. Dr. currently practices at Ati Holdings Of Arizona Llc in Mesa, Arizona. Their National Provider Identifier (NPI) is 1366974164, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Brian Fung as a lower-volume internal medicine provider, treating approximately 50 Medicare beneficiaries and delivering 77 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Brian Fung received $206 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.